Cheap Flights from Harlingen to San Diego International

Compare Harlingen to San Diego International flight deals

Find the cheapest month or even day of the year to fly to San Diego International

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Flight deals from Harlingen to San Diego International

Looking for a cheap last-minute deal or the best return flight from Harlingen to San Diego International? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Harlingen to San Diego International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Harlingen to San Diego International flights are currently cheapest in February.

Harlingen to San Diego International: Alternative routes

Compare routes from Harlingen to San Diego below. You may find an airport to fly into that's cheaper, faster, or easier than San Diego International.

Harlingen to San Diego: Flight information

The things to know before you go.
Cheapest flight foundRs57,139
Cheapest month to flyFebruary

Finding cheap flights from Harlingen to San Diego International: Frequently asked questions

The best price we found for a return flight from Harlingen to San Diego International is Rs67,831. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Harlingen to San Diego International. But we found flights with one or more stops from Rs67,831.
As of February 2026, there are no flights flying from Harlingen to San Diego International.
The cheapest month to fly from Harlingen to San Diego International is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Harlingen Airport to San Diego International Airport on Wednesday, 22 April 2026.
No airlines currently offer direct flights between Harlingen Airport and San Diego International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Diego International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Diego is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, United offers the cheapest flight tickets to San Diego International.

Flying from Valley International Airport (HRL) to San Diego International Airport (SAN): what you need to know

  • The timezone in San Diego is UTC-7, which is two hours behind Harlingen.

  • Your HRL to SAN flight won't wait if you're late, so get to the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.

  • Flying during a peak time such as October? School holidays and other popular periods can lead to longer queues and delays at security. Be extra cautious and get there up to four hours before international flights and two hours before a domestic departure.

  • Consider adding a stopover when booking your ticket from Valley International Airport to San Diego International Airport. Simply deselect 'Direct flights only' to break up your trip, or visit a new city along the way. Here are some options between HRL and SAN:

    • William P. Hobby Airport

    • Austin-Bergstrom International Airport

    • Dallas/Fort Worth International Airport

How to find the cheapest flights from Valley International Airport (HRL) to San Diego International Airport (SAN)

  • At the moment, Rs57,139 is the cheapest price we've seen for a one-way Valley International Airport to San Diego International Airport flight. The best price for a return ticket is Rs67,831. Remember that fares could change due to availability at the time of booking.

  • Don't leave things to the last minute. You're more likely to find cheap tickets from HRL to SAN if you book early. Airlines often offer some great early bird rates.

  • If you can be flexible with your travel dates, use the 'Whole month' tool. It'll show you the lowest price in every month when looking for your flight from Valley International Airport to San Diego International Airport.

  • Save time searching for cheap flights from HRL to SAN by creating a Price Alert. We'll send you an email or push notification on the app when a new low fare is offered.

  • Tailor your trip using filters. Pick your departure and arrival times, total journey duration and airlines. You can also sort your results by 'Cheapest,' 'Best' or 'Fastest' flights from Valley International Airport to San Diego International Airport.

Handy information about Valley International Airport (HRL)

  • HRL's address is 3002 Heritage Way.

  • Valley International Airport has an excellent on-time record, so you're less likely to experience disruptions. Departures from HRL make it to their destination as scheduled 82.44% of the time.

  • To get to Valley International Airport from central Harlingen, it takes around 10 minutes by car. Of course, this depends on traffic. It's approximately 8 kilometres from the airport to the city centre.

  • If you have an early flight from Valley International Airport to San Diego International Airport, why not stay close by? Avoid the hassle of rushing to the airport (and get some extra sleep) at Lakefront Harlingen Home With Private Pool and Hot Tub. Waterfront Harlingen Home With Pool and Game Room! is another convenient option near HRL.

Arriving at San Diego International Airport (SAN)

Getting from San Diego International Airport (SAN) to central San Diego

  • The street address for SAN is Airport Drive.

  • San Diego International Airport to the centre of San Diego has a drive time of about 10 minutes. It's approximately 5 kilometres away.

  • It takes roughly 20 minutes if you're travelling by public transport.

When to fly to San Diego International Airport (SAN)

  • It's time to plan your dates for your flight from Valley International Airport to San Diego International Airport. July is the most popular month to head to San Diego. If you're after a more relaxed vibe, go in May.

  • When booking your flight from Valley International Airport to San Diego International Airport, think about the type of weather you like. August is the warmest month in San Diego, with the temperature ranging from 17ºC to 28ºC.

  • February has average temperatures of between 7ºC and 23ºC. Search for cheap tickets from HRL to SAN around that time if you want to travel in cooler conditions.

Explore more of United States

  • Los Angeles is just one of the many cities in United States waiting to be explored once you've seen San Diego. Around 177 kilometres away to the north-west, its top attractions include Griffith Observatory, The Broad and La Brea Tar Pits & Museum.

  • Around 483 kilometres east of San Diego, Phoenix is another essential stop in United States. Start your sightseeing at Desert Botanical Garden, Heard Museum and Papago Park.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.